package com.flot.yazb.widget.utils;

import android.annotation.SuppressLint;
import android.app.AppOpsManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.net.Uri;
import android.os.Build;
import android.provider.Settings;

import com.flot.yazb.base.BActivity;

import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class NotificationsUtils {
   private static final String CHECK_OP_NO_THROW = "checkOpNoThrow";
   private static final String OP_POST_NOTIFICATION = "OP_POST_NOTIFICATION";

   @SuppressLint("NewApi")
   public static boolean isNotificationEnabled(Context context) {

      AppOpsManager mAppOps = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
      ApplicationInfo appInfo = context.getApplicationInfo();
      String pkg = context.getApplicationContext().getPackageName();
      int uid = appInfo.uid;

      Class appOpsClass = null;
      /* Context.APP_OPS_MANAGER */
      try {
         appOpsClass = Class.forName(AppOpsManager.class.getName());
         Method checkOpNoThrowMethod = appOpsClass.getMethod(CHECK_OP_NO_THROW, Integer.TYPE, Integer.TYPE,
               String.class);
         Field opPostNotificationValue = appOpsClass.getDeclaredField(OP_POST_NOTIFICATION);

         int value = (Integer) opPostNotificationValue.get(Integer.class);
         return ((Integer) checkOpNoThrowMethod.invoke(mAppOps, value, uid, pkg) == AppOpsManager.MODE_ALLOWED);

      } catch (ClassNotFoundException e) {
         e.printStackTrace();
      } catch (NoSuchMethodException e) {
         e.printStackTrace();
      } catch (NoSuchFieldException e) {
         e.printStackTrace();
      } catch (InvocationTargetException e) {
         e.printStackTrace();
      } catch (IllegalAccessException e) {
         e.printStackTrace();
      }
      return false;
   }

   public static void requestPermission(BActivity context, int requestCode) {
      // TODO Auto-generated method stub
      // 6.0以上系统才可以判断权限
      // 进入设置系统应用权限界面
      Intent intent = new Intent(Settings.ACTION_SETTINGS);
      context.startActivityForResult(intent,requestCode);
   }
   public static void toSetting(BActivity context, int requestCode) {
      Intent localIntent = new Intent();
      localIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
      if (Build.VERSION.SDK_INT >= 9) {
         localIntent.setAction("android.settings.APPLICATION_DETAILS_SETTINGS");
         localIntent.setData(Uri.fromParts("package", context.getPackageName(), null));
      } else if (Build.VERSION.SDK_INT <= 8) {
         localIntent.setAction(Intent.ACTION_VIEW);
         localIntent.setClassName("com.android.settings", "com.android.setting.InstalledAppDetails");
         localIntent.putExtra("com.android.settings.ApplicationPkgName", context.getPackageName());
      }
      context.startActivityForResult(localIntent,requestCode);
   }
}